PDII 試験問題を無料オンラインアクセス

Refer to the markup below:
HTML
<template>
<lightning-record-form
record-id={recordId}
object-api-name="Account"
layout-type="Full">
</lightning-record-form>
</template>
A Lightning web component displays the Account name and two custom fields out of 275 that exist on the object. The custom fields are correctly declared and populated. However, the developer receives complain2223ts that the component performs slowly. What can the developer d2425o to improve the performance?

• A.Add density="compact" to the component.
• B.Replace layout-type="Full" with layout-type="Partial".
• C.Replace layout-type="Full" with fields={fields}.
• D.Add cache="true" to the component.

A developer has a Visualforce page that automatically assigns ownership of an Account to a queue upon save.
The page appears to correctly assign ownership, but an assertion validating the correct ownership fails. What can cause this problem?

• A.The test class does not implement the Queueable interface.
• B.The test class does not retrieve the updated value from the database.
• C.The test class does not use the Bulk API for loading test data.
• D.The test class does not use the seeAllData=true annotation.

Universal Containers wants to notify an external system, in the event that an unhandled exception occurs, by publishing a custom event using Apex. What is the appropriate publish/subscribe logic to meet this requirement?

• A.Publish the error event using the addError() method and write a trigger to subscribe to the event and notif47y the external system.
• B.Have the external system subscribe to the event channel. No publishing is necessary.
• C.Publish the error event using the addError() method and have the external system subscribe to the event using CometD.46
• D.Publish the error event using the EventBus.publish() method and have the external system subscribe to the event using CometD.

A developer is building a Lightning web component that retrieves data from Salesforce and assigns it to the record property:
JavaScript
import { LightningElement, api, wire } from 'lwc';
import { getRecord } from 'lightning/uiRecordApi';
export default class Record extends LightningElement {
@api fields;
@api recordId;
record;
}
What must be done in the component to get the data from Salesforce?

• A.Add @wire(getRecord, { recordId: '$recordId', fields: '$fields' }) above record.
• B.Add @wire(getRecord, { recordId: '$recordId' }) above record.
• C.Add @api(getRecord, { recordId: '$recordId', fields: '$fields' }) above record.
• D.Add @api(getRecord, { recordId: '$recordId' }) above record.

Which statement is considered a best practice for writing bulk safe Apex triggers?

• A.Perform all DML operations from within a future method.
• B.Use the Database methods with allOrNone set to false instead of DML statements.
• C.Add LIMIT 50000 to every SOQL statement.
• D.Add records to collections and perform DML operations against these collections.